Dining chair



FIG. 1 is a front right side perspective view of a dining chair of Applicant's design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right-side elevational view thereof, the left-side elevational view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Where included, broken lines showing environment or structure are for illustrative purposes only and form no part of the claimed design. 

CLAIM I claim the ornamental design for a dining chair, as shown and described. 